1896 – 22nd Kentucky Derby: Willie Simms aboard Ben Brush wins in 2:07.75
1902 – Zulu assault at Holkrantz, South Africa
1933 – 59th Kentucky Derby: Don Meade aboard Brokers Tip wins in 2:06.8
1945 – General Johannes Blaskowitz surrenders German troops in Netherlands
1966 – Canadian Minister of Finance announces a $20 Centennial gold coin
1967 – 93rd Kentucky Derby: Bobby Ussery on Proud Clarion wins in 2:00.6
1972 – Deniz Gezmiş, Yusuf Aslan and Hüseyin İnan are executed in Ankara for attempting to overthrow the Constitutional order
1974 – Bundy victim Roberta Parks disappears from OSU, Corvallis, Ore
1974 – A’s pitcher Paul Lindblad makes an errant throw in 1st inning of 6-3 loss to Balt ends his record streak of 385 consecutive errorless games
1979 – USSR performs nuclear test at Eastern Kazakh/Semipalitinsk USSR